No. 522] A CARBONIFEROUS SALAMAXDKR 



373 



The other and larger specimen (Fig. 2) is some ten 

 millimeters longer than the example described above. 

 The alimentary canal is represented not as a mold, as in 

 the specimen described above, but by an impression from 

 which the mold has been lost. By taking a wax impres- 

 sion of this specimen the form of the oesophagus, stomach 

 and portions of the intestines, with the same form and 

 arrangement as has been described, are beautifully 

 shown. The oesophagus has also in this specimen been 

 loosened and dropped down. The anus is quite prom- 



inent and lies somewhat beyond the base of the tail. 

 The tail is preserved entire in an elongate V. On its 

 membranes are to be seen very clearly preserved the 

 median and dorsal lateral lines which have been so com- 

 pletely described for Micrer'peton caudatum. Lying be- 

 side the anus in both specimens is a small elevation 

 which may in both cases be accidental or it may repre- 

 sent either the posterior end of an oviduct or some anal 



